CN205544646U - Motor stator piece - Google Patents
Motor stator piece Download PDFInfo
- Publication number
- CN205544646U CN205544646U CN201620070053.5U CN201620070053U CN205544646U CN 205544646 U CN205544646 U CN 205544646U CN 201620070053 U CN201620070053 U CN 201620070053U CN 205544646 U CN205544646 U CN 205544646U
- Authority
- CN
- China
- Prior art keywords
- stator piece
- lag
- stator
- shaped
- piece body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a motor stator piece, including the stator piece body, a plurality of wire winding grooves have been seted up to stator piece body inboard, and a plurality of cramp grooves, characterized by have been seted up to the stator piece body outside: stator piece body outside circumference interval distribution has U -shaped groove and U -shaped protruding, and U -shaped groove and U -shaped arch are mutually supported, two adjacent U -shaped grooves and the bellied contained angle homogeneous phase of U -shaped etc.. This motor stator piece can make stator piece keep coaxial before the fixed stator piece of strap.
Description
Technical field
This utility model relates to motor, more specifically, it relates to a kind of motor stator sub-pieces.
Background technology
The stator core of motor is to be formed by the motor stator slice stacking that several specifications are identical.The generally circumference at motor stator slice offers some grooves, be stacked adjacent between the groove of motor stator slice be mapped, be then entrenched in groove so that motor stator slice is stacked into a stator core by the metal tape that a root length strip cross section is arc.Metal tape at stator core two ends bending get up to prevent motor stator slice from moving axially, then metal tape that cross section is arc is flattened by striking pressure device, makes to be formed between metal tape and groove interference fit, prevent metal tape from departing from from groove.
At present, the Chinese patent of Application No. 201520196219.3 discloses a kind of motor stator slice, including stator piece body, stator piece body circumference offers some locating slots, and the two ends, bottom of locating slot are equipped with draw-in groove, and described draw-in groove includes the first side wall and the second sidewall, the first side wall is wholely set with the diapire of locating slot, and the second sidewall is parallel to the first side wall.Although this motor stator slice can make metal tape be difficult to from motor stator slice depart from, but easily produces skew when stator piece is overlapped, during sheet metal fixed stator sheet, the axiality of each stator piece is the highest.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of motor stator sub-pieces, and stator piece can be made before metal tape fixed stator sheet to keep coaxial.
For achieving the above object, this utility model provides following technical scheme: a kind of motor stator sub-pieces, including stator piece body, some winding slots are offered inside stator piece body, stator piece outer body offers some cramp grooves, it is protruding that the stator piece outer body circle spacing is evenly equipped with U-lag and U-shaped, and when stator piece body overlaps, U-lag and U-shaped projection cooperate clamping.
Stator piece outside spacers is distributed U-lag and U-shaped is protruding, when stator piece is installed, under the U-shaped projection embedding of upper a piece of stator piece in the U-lag of a piece of stator piece, make to hold together between each stator piece, can ensure that the axiality between each stator piece, when sheet metal is installed into cramp groove, clamping stagnation will not be produced, between each stator piece, inherently there is certain adhesion simultaneously, can make between stator piece group more firm.
This utility model is further arranged to: be provided with breach between described U-shaped projection and stator piece periphery.
Owing to U newly projection is to be formed with stator piece integrated punching when punching press by stamping machine, deflection between U-shaped projection and stator piece excircle is bigger, U-shaped is protruding to be existed and the possibility of stator piece tear near stator piece outer peripheral portion, during assembling, the U-shaped projection of tear can scratch hands, the setting of breach avoids the generation of this phenomenon, improves safety.Simultaneously breach also can play certain positioning action when being arranged on assembling, put forward precision during cramp further.
This utility model is further arranged to: the ratio of the width of the width of described U-lag and U-shaped projection is between 1.08 to 1.10.
Owing to U-shaped projection needs to cooperate with U-lag, so, the protruding width of the width of U-lag and U-shaped can not excessive can not be too small, time excessive, U-lag and U-shaped projection can not closely cooperate, do not have preferable positioning action, if U-shaped projection can not put into U-lag time too small, do not have locating effect.
This utility model is further arranged to: the 0.035 ~ 0.040 of a length of this body diameter of stator piece of described U-lag.
Owing to being additionally provided with winding slot inside stator piece, if U-lag length is too big, the spacing between U-lag and winding slot can be reduced, affect the bulk strength of stator piece, when the length of U-lag is between this ratio, there is preferable structural strength, also there is preferable positioning performance simultaneously.
This utility model is further arranged to: described U-lag or U-shaped high spot are in the middle of two adjacent cramp grooves.
U-lag and U-shaped projection are arranged so as to ensure farthest to reduce under the body of wall of stable connection between stator piece U-lag and the quantity of U-shaped projection of required processing, reduce processing cost.
In sum, this utility model has the advantages that protruding the arranging of U-lag and U-shaped can make together with being stably bound between upper and lower two panels stator piece, before stator piece is snapped together by sheet metal, make, between each stator piece, there is higher axiality, it is ensured that each stator piece is successfully fixed by sheet metal.
Accompanying drawing explanation
Fig. 1 is the front view of embodiment；
Fig. 2 is the axonometric chart of embodiment ferrum；
Fig. 3 is outline drawing during embodiment stator piece body overlap.
Reference: 1, stator piece body；2, winding slot；3, cramp groove；4, U-shaped is protruding；5, breach；6, U-lag.
Detailed description of the invention
Referring to the drawings utility model is described further.
As shown in figures 1 and 3, a kind of motor stator sub-pieces, including stator piece body 1, some winding slots 2 are offered inside stator piece body 1, some cramp grooves 3 are offered outside stator piece body 1, stator piece body 1 outer circumference has U-lag 6 and U-shaped projection 4 uniformly at intervals, and when stator piece overlaps, U-lag 6 and U-shaped projection 4 cooperate clamping.Stator piece outside spacers is distributed U-lag 6 and U-shaped projection 4, when stator piece is installed, under protruding 4 embeddings of U-shaped of upper a piece of stator piece in the U-lag 6 of a piece of stator piece, make to hold together between each stator piece, can ensure that the axiality between each stator piece, when sheet metal is installed into cramp groove 3, clamping stagnation will not be produced, between each stator piece, inherently there is certain adhesion simultaneously, can make to connect between stator piece group more stable.U-lag 6 and U-shaped projection 44 can also is that other shapes, and such as rectangle, ellipse, triangle etc., the present embodiment is the most U-shaped.
As depicted in figs. 1 and 2, it is provided with breach 5 between described U-shaped protruding 4 and stator piece periphery.Owing to U newly projection is to be formed with stator piece integrated punching when punching press by stamping machine, deflection between U-shaped protruding 4 and stator piece excircle is bigger, U-shaped projection 4 exists and the possibility of stator piece tear near stator piece outer peripheral portion, during assembling, the U-shaped projection 4 of tear can scratch hands, the setting of breach 5 avoids the generation of this phenomenon, improves safety.Simultaneously breach 5 also can play certain positioning action when being arranged on assembling, put forward precision during cramp further.
As it is shown in figure 1, the ratio of the width of the width of described U-lag 6 and U-shaped projection 4 is between 1.08 to 1.10.Owing to U-shaped protruding 4 needs to cooperate with U-lag 6, so, the width of U-lag 6 and the width of U-shaped projection 4 can not excessive can not be too small, time excessive, U-lag 6 and U-shaped projection 4 can not closely cooperate, do not have preferable positioning action, if U-shaped projection 4 can not put into U-lag 6 time too small, do not have locating effect.
As in figure 2 it is shown, the 0.035 ~ 0.040 of a length of stator piece body 1 external diameter of described U-lag 6.Owing to being additionally provided with winding slot 2 inside stator piece, if U-lag 6 length is too big, the spacing between U-lag 6 and winding slot 2 can be reduced, affect the bulk strength of stator piece, when the length of U-lag 6 is between this ratio, there is preferable structural strength, also there is preferable positioning performance simultaneously.
As it is shown in figure 1, described U-lag 6 or U-shaped projection 4 are in the middle of adjacent two cramp groove 3.U-lag 6 and U-shaped projection 4 are arranged so as to ensure farthest to reduce on the premise of stable connection between stator piece U-lag 6 and the quantity of U-shaped projection 4 of required processing, reduce processing cost.U-lag 6 or U-shaped protruding 4 are equal, during punching press stator piece to the angle between two adjacent cramp grooves 3 simultaneously, it is possible to reduce the deflection of stator piece, have preferable intensity simultaneously.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (5)
1. a motor stator sub-pieces, including stator piece body (1), stator piece body (1) inner side offers some winding slots (2), stator piece body (1) outside offers some cramp grooves (3), it is characterized in that: stator piece body (1) outer circumference has U-lag (6) and U-shaped protruding (4) uniformly at intervals, when stator piece body overlap, U-lag (6) and U-shaped projection (4) cooperate clamping.
Motor stator sub-pieces the most according to claim 1, is characterized in that: be provided with breach (5) between described U-shaped protruding (4) and stator piece periphery.
Motor stator sub-pieces the most according to claim 2, is characterized in that: the ratio of the width of the width of described U-lag (6) and U-shaped protruding (4) is between 1.08 to 1.10.
Motor stator sub-pieces the most according to claim 1, is characterized in that: the 0.035 ~ 0.040 of a length of stator piece body (1) external diameter of described U-lag (6).
5. according to the motor stator sub-pieces described in claim 3 or 4, it is characterized in that: described U-lag (6) or U-shaped protruding (4) are in the middle of adjacent two cramp groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620070053.5U CN205544646U (en) | 2016-01-23 | 2016-01-23 | Motor stator piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620070053.5U CN205544646U (en) | 2016-01-23 | 2016-01-23 | Motor stator piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544646U true CN205544646U (en) | 2016-08-31 |
Family
ID=56768189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620070053.5U Expired - Fee Related CN205544646U (en) | 2016-01-23 | 2016-01-23 | Motor stator piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544646U (en) |
-
2016
- 2016-01-23 CN CN201620070053.5U patent/CN205544646U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20180123 |